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Flame retardant composition

a technology of flame retardant and composition, applied in the direction of plastic/resin/waxes insulators, organic insulators, etc., can solve the problems of metal corrosion, harmful gas emission, and failure to solve drip or improve the vertical trough tes

Inactive Publication Date: 2001-05-15
NIPPON YUNIKAA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Flame retardants such as organic halogen compounds; flame retardant aids such as antimony trioxide; or flame retardant resins such as poly (vinyl chloride) and chlorinated polyethylene can be blended into polyolefins to render them flame retardant; however, t

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  • Flame retardant composition

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Abstract

A flame retardant composition comprising(A) about 50 to about 95 percent by weight of at least one ethylene co-polymer selected from an ethylene/vinyl ester copolymer; ethylene/alpha, beta unsaturated carboxylate copolymer; and very low density ethylene/alpha-olefin copolymer; and(B) about 5 to about 50 percent by weight of an ethylene/alpha-olefin copolymer having been prepared with a single site catalyst, and, for each 100 parts by weight of component (A) and component (B) combined,(C) about 2 to about 50 parts by weight of a polyethylene modified with a functional group containing compound;(D) about 5 to about 250 parts by weight of a metal hydrate;(E) about 1 to about 12 parts by weight of a triazine ring containing compound; and(F) about 0.5 to about 5 parts by weight of a flame retardant compound selected from the group consisting of a boron compound, a molybdenum compound, and a silicone.

Description

This invention relates to a flame retardant composition useful in cable construction.BACKGROUND INFORMATIONPolyolefin resins are commonly used as a material for the insulation and the sheath layers of wires and cables. Recently a higher degree of flame retardance has been demanded in accordance with, for example, a vertical tray test, which can be referred to as the "70,000 Btu per hour" test. Flame retardants such as organic halogen compounds; flame retardant aids such as antimony trioxide; or flame retardant resins such as poly (vinyl chloride) and chlorinated polyethylene can be blended into polyolefins to render them flame retardant; however, these additives cause dripping, smoking, and / or the emission of harmful gases when subjected to burning, and can also cause metals to corrode.To solve these problems, addition of inorganic flame retardants such as metal hydroxides to the polyolefin resins was proposed and the composition was applied as insulating and sheath layers to variou...

Claims

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Application Information

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IPC IPC(8): C08L23/00C08K3/24C08K3/00C08L23/08C08K5/00C08K5/3492C08L51/06C08L51/00C08K3/10H01B3/44C08K3/22C08K3/38
CPCC08K3/24C08K5/34928C08L23/08C08L23/0815C08L51/06C08L2201/02C08L2314/06C08L2666/24C08L2666/04
Inventor HAYASHI, AKIOHORITA, KATSUHIROISHIHARA, KOJI
Owner NIPPON YUNIKAA
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